Home / 14,146.91-21,223.65-4,151.25

Finding the Fourth Proportional to 14,146.91, 21,223.65 and 4,151.25

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Solution

The fourth proportional to 14,146.91, 21,223.65 and 4,151.25 is: 6,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.91 : 21,223.65 = 4,151.25 : x
  2. Step 2: Convert to fraction form
    14,146.91/21,223.65 = 4,151.25/x
  3. Step 3: Cross multiply
    14,146.91x = 21,223.65 × 4,151.25
  4. Step 4: Simplify right side
    14,146.91x = 88,104,656.31
  5. Step 5: Solve for x
    x = 88,104,656.31/14,146.91
  6. Step 6: Final answer
    x = 6,227.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.